Location: Pallet Town

Method:
The three Pokémon here are the classic Kanto Starter Pokémon, Bulbasaur, Charmander and Squirtle. When you start the game, you'll be given the choice of which starter to pick

Bulbasaur Level 5

OT: Yours ID: Yours Ability: Overgrow Hold Item: None

??? Nature. Date of Receiving Pallet Town. Caught at Lv. 5

Tackle Growl

Charmander Level 5

OT: Yours ID: Yours Ability: Blaze Hold Item: None

??? Nature. Date of Receiving Pallet Town. Caught at Lv. 5

Scratch Leer

Squirtle Level 5

OT: Yours ID: Yours Ability: Torrent Hold Item: None

??? Nature. Date of Receiving Pallet Town. Caught at Lv. 5

Tackle Tail Whip

Location: Saffron City

Method:
Received at the Fighting Dojo gym in Saffron City after the Karate King is defeated. Both are Fighting-types and work well on any team. Hitmonchan learns the three elemental punches as well as a few other fist-based moves, though the former are useless on a Pokemon with such a terrible Special Attack stat. Hitmonlee is more kicking oriented and will learn high risk attacks like Jump Kick that have a high base power.

Hitmonlee Level 25

OT: Yours ID: Yours Ability: Limber Hold Item: None

??? Nature. Date of Receiving Saffron City. Caught at Lv. 25

Jump Kick Brick Break Focus Energy Hi Jump Kick

Hitmonchan Level 25

OT: Yours ID: Yours Ability: Keen Eye Hold Item: None

??? Nature. Date of Receiving Saffron City. Caught at Lv. 25

Comet Punch Agility Pursuit Mach Punch

Location: Silph Co.

Method:
Given at Saffron City at Silph Co. after defeating your rival, Lapras is an extremely capable Pokemon. Water/Ice-type, it learns many powerful attacks like Blizzard, Surf, Thunderbolt, and Psychic.

Lapras Level 25

OT: Yours ID: Yours Ability: Water Absorb or Shell Armor Hold Item: None

??? Nature. Date of Receiving Silph Co.. Caught at Lv. 25

Mist Body Slam Confuse Ray Perish Song

Location: Celadon City

Method:
The back door of the Celadon Mansion leads to a secret entrance with several flights of stairs. At the very top there's a room where an Eevee awaits, an extremely flexible Normal-type Pokemon. What makes Eevee so special is that it can evolve into five different Pokemon: Flareon, the Fire-type, Vaporeon, the Water-type, Jolteon, the Electric-type, Espeon, the Psychic-type, and Umbreon, the Dark-type. However, only the first three can be acquired in these games.

Eevee Level 25

OT: Yours ID: Yours Ability: Run Away Hold Item: None

??? Nature. Date of Receiving Celadon City. Caught at Lv. 25

Helping Hand Sand Attack Growl Quick Attack

Location: Mt. Moon / Cinnabar Island

Method:
The choice between the Helix and Dome fossils is given at Mt. Moon after defeating the Super Nerd near the exit. When handed over at the Pokemon Lab on Cinnabar Island, a revived prehistoric Pokemon will be later available. Omanyte derives from the Helix Fossil and Kabuto from the Dome Fossil. Both are decent in their own right however Omastar has superior defence and Kabutops superior attack when it comes time for evolution.

Omanyte Level 5

OT: Yours ID: Yours Ability: Swift Swim or Shell Armor Hold Item: None

??? Nature. Date of Receiving Cinnabar Island. Caught at Lv. 305td>

Constrict Withdraw

Kabuto Level 5

OT: Yours ID: Yours Ability: Swift Swim or Battle Armor Hold Item: None

??? Nature. Date of Receiving Cinnabar Island. Caught at Lv. 5

Scratch Harden

Location: Pewter City / Cinnabar Island

Method:
After you get Cut, you'll be able to go in to the back part of the Pewter City museum. When there, speak to this scientist and he'll give you the Old Amber. take this to the Cinnabar Island lab and it'll be revived into Aerodactyl.

Aerodactyl Level 5

OT: Yours ID: Yours Ability: Rock Head or Pressure Hold Item: None

??? Nature. Date of Receiving Cinnabar Island. Caught at Lv. 5

Wing Attack Agility

Location: Water Labyrinth

Method:
If you have under six Pokemon in your party while travelling through the Water Labyrinth, an elderly gentleman on the island will gift you a mysterious egg. Travel with this egg for a while and it will hatch into the Spike Ball Pokemon, Togepi.

Togepi Level 5

OT: Yours ID: Yours Ability: Hustle or Serene Grace Hold Item: None

??? Nature. Date of Receiving Location Of Hatching. Harched at Lv. 5

Growl Charm Metronome